The scientist and decision-making expert Gary Klein is a proponent of using “premortems”51 (doing a postmortem in advance) to envision what a potential failure might look like, so that you can then consider the possible reasons for that failure. To put the premortem into question form, you might ask: If I were to fail, what might be the reasons for that failure? Decision researchers say using premortems can temper excessive optimism and encourage a more realistic assessment of risk.